Shema Yisrael is the name of a verse in the book of Deuteronomy "Shema Yisrael Hashem Elokeinu Hashem Echad" - Hear, O Israel: the Lord our G-d, the Lord is one. This verse is perceived in Judaism as the most basic essence of faith. It entails a direct link between mind and body. Saying the Shema strengthens this link and creates balance and connection. Its main content is loving the one God with all one's heart, soul and might, and the rewards that come with this.